If the brake hose was disconnected from only one brake caliper, only that caliper or wheel cylinder needs to be bled.
If a brake line or hose has become disconnected between the master cylinder and the brake, only that portion of the brake system needs to be bled.
Examination
1. Depress the brake pedal several times to remove the vacuum from the booster.
2. Fill the reservoir with brake fluid.
3. Bleeding the entire brake system must begin with the right rear wheel. Connect the hose to the bleed valve and lower the other end of the hose into the brake fluid.
(Content based on information from: www.MazBook.ru)
4. Press the brake pedal several times and leave it pressed.
5. Open the bleed valve and release air and brake fluid.
6. Close the valve and slowly release the brake pedal.
7. Repeat the operations described in points 5 and 6 until the escaping brake fluid contains no air bubbles. Then bleed the brakes of the right front wheel, right rear wheel and left front wheel. Monitor the fluid level in the reservoir.
8. Check the operation of the braking system. The brake pedal should be firm. If necessary, repeat the bleeding operation.